The CEAH National Center for Animal Health Surveillance was re-organized in 2006 into two separate CEAH Centers: the National Surveillance Unit and the National Animal Health Monitoring System. Please direct your web search to these sites:

National Animal Health Surveillance System - find information on U.S. animal health surveillance

National Animal Health Monitoring System - find information on national U.S. animal health studies

National Surveillance Unit - learn about the activities of the USDA APHIS VS CEAH National Surveillance Unit

USDA APHIS VS Centers for Epidemiology and Animal Health - learn about the activities of the USDA APHIS VS Centers for Epidemiology and Animal Health